Flow of Niagara Falls waterfall is altered following collapse of rock shelf between Prospect Point and Luna Island

Images of Niagara Falls and surrounding land shortly after the collapse of a rock shelf between Prospect Point and Luna Island. The collapse altered the contour of the falls for the first time in centuries. A cavity 150 feet wide has opened in the rim of the falls. Ice formations seen near the falls flowing water and encrusted on the viewing platforms. Two men seen standing near the falls.